<!DOCTYPE html>
<html lang="en">

<head>
    <title>index</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">

</head>

<body>

    <button id="btn">创建新工程</button>

</body>

<script src="./index.js"></script>

</html>